International Maths Olympiad Forum By SOF Olympiad Trainer - Page 660
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SWARA SHEDGE from ARYA VIDYA MANDIR, JUHU, Mumbai
Subject :IMO    Class : Class 6

Ans 1:

Ishir Jha from Gyan Ganga Global Academy, Rosera
Class : Class 8
don't understand the q

Ans 2:

Aarav Kamdar from Global Indian International School, Singapore
Class : Class 7

Ans 3:

Aaditya Jain from Jaypee public school, Greater noida
Class : Class 8
please explain someone why to put a=3q and b=4q

Ans 4:

Manasvi from MVM School, Hyderabad
Class : Class 6

Ans 5:

Parth from Dlf public school, Sahibabad
Class : Class 6

Ans 6:

Sejal Mittal from dlf, ghaziabad
Class : Class 6
SolutionPutting a = 4q and b = 3q in a * b = (3a 2b)/(3a – 2b).(4q * 3q) = [3(4q) 2(3q)]/ [3(4q) - 2(3q)]= (12q 6q) / (12q – 6q)= 18q/6q = 3So, 5p * (4q * 3q) = 5p * 3Put p= 1/5 in 5p * 3we get 5 x 1/5 * 3 = 1 * 3= [3(1) 2(3)]/ =[3(1) - 2(3)]= (3 6)/(3 – 6)= 9/-3 = - 3Answer-(C) - 3

Ans 7:

OISHIK KUNDU from Delhi Public school North kolkata, baranagar
Class : Class 4
Putting a = 4q and b = 3q in a * b = (3a 2b)/(3a – 2b). (4q * 3q) = [3(4q) 2(3q)]/ [3(4q) - 2(3q)] = (12q 6q) / (12q – 6q) = 18q/6q = 3 So, 5p * (4q * 3q) = 5p * 3 Put p= 1/5 in 5p * 3 we get 5 x 1/5 * 3 = 1 * 3 = [3(1) 2(3)]/ =[3(1) - 2(3)] = (3 6)/(3 – 6) = 9/-3 = - 3 Answer-(C) - 3

Ans 8:

Ishaan Roy from Sri Chaitanya Techno School, Bengaluru
Class : Class 10

Ans 9:

Manasvi from MVM School, Hyderabad
Class : Class 6

Ans 10:

Shriya Prakash from NPS International, Singapore
Class : Class 6

Ans 11:

HARSH from ANAND NIKETAN, Ahmedabad
Class : Class 6
can not understand

Ans 12:

Avni from Dbs, firozpur
Class : Class 7
it is option c

Ans 13:

Eshaan from The Amaatra academy, Bengaluru
Class : Class 7
ans is b

Ans 14:

Krish from GEMS Modern Academy, Dubai
Class : Class 8

Ans 15:

Krish from GEMS Modern Academy, Dubai
Class : Class 8
What happened to q=3 they didn’t do anything with that. They should have multiplied 4q and 3q by 3 before solving the question.

Ans 16:

chetan malviya from atul vidyalaya, valsad
Class : Class 8
the question is not complete

Ans 17:

Aarav Kamdar from Global Indian International School, Singapore
Class : Class 7

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S R L SASTRY CH from ,
Subject :IMO    Class : Class 7

Ans 1:

Siddhant Gudwani from Modern Vidya Niketan, Sector 17, Faridabad, Faridabad
Class : Class 6

Ans 2:

SUVAMDEBNATH from KVS BAMANGACHI, Howrah
Class : Class 9
please give explanation

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Nyrah from Sat Paul Mittal school , Ludhiana
Subject :IMO    Class : Class 3

Ans 1:

Ananya Singhal from Arwachin Bharti Bhawan Sr. Sec. School, Delhi
Class : Class 4
Answer is C.

Ans 2:

Shreyas Singh from Podar International School, Pune
Class : Class 6
3 full circle = 3. while total 8 small pieces means 8/10 = answer = 3 8/10

Ans 3:

Adiammu from RGS, USA
Class : Class 3
C

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S R L SASTRY CH from ,
Subject :IMO    Class : Class 7

Ans 1:

Nisha Nair from City , Pune
Class : Class 7
none are correct

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Tanishi from Ryan International School, Gurgaon
Subject :IMO    Class : Class 5

Ans 1:

Siddhant Singhania from AGCS purulia, Puruliya
Class : Class 5

Ans 2:

Dhruv Garg from Dewan Public School, Meerut
Class : Class 8
the ans is A

Ans 3:

Ishandev M Kaimal from Sri Sri Ravi Shankar Vidya Mandir, Ernakulam
Class : Class 5
the answer is optionA

Ans 4:

Dhruva from VSSIPS, Bangalore
Class : Class 8
How A

Ans 5:

alpha century from sacred heart convent school, ludhiana
Class : Class 7
answer is A

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AAKARSH ARORA from MOUNT CARMEL SCHOOL ANAND NIKETAN NEW DELHI-110021, New Delhi
Subject :IMO    Class : Class 4

Ans 1:

Anushka kumar from DPS paradip, odisa
Class : Class 9
D

Ans 2:

Twinkle jolly from St Joseph's convent school, Hoshiarpur
Class : Class 4
D

Ans 3:

Aarnav Shah from Euro school, Thane
Class : Class 5
all other number ie 5234, 3241 and 4211 are between 5642 and 2341. only 5646 cannot be between them. so the answer is D

Ans 4:

ASHIM SARKAR from ,
Class : Class 4
d

Ans 5:

OISHIK KUNDU from Delhi Public school North kolkata, baranagar
Class : Class 4

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mamta from army public school, ramgarh
Subject :IMO    Class : Class 7

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is B.

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mamta from army public school, ramgarh
Subject :IMO    Class : Class 7

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is B.

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Yuvin mahajan from G D Goenka Public School, Jammu
Subject :IMO    Class : Class 3

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mamta from army public school, ramgarh
Subject :IMO    Class : Class 7

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is D.

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